Wednesday 9 November 2011

What is computer?

 
Computer is a programmable machine designed to sequentially and automatically carry out a sequence of arithmetic or logical operations. Conventionally a computer consists of some form of memory for data storage, at least one element that carries out arithmetic and logic operations, and a sequencing and control element that can change the order of operations based on the information that is stored. Peripheral devices allow information to be entered from an external source, and allow the results of operations to be sent out.
Computer Operation.

Basic operations which computer can perform:
  • Input
  • Processing
  • Output
  • Storage
Others Devices: Communication

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